OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..149
FORMULA
EXAMPLE
a(2) = (1*1)^3 + (1*2)^3 + (2*2)^3 = 1 + 8 + 64 = 73.
MAPLE
b:= proc(n, k) option remember; `if`(k=0, 1,
add(b(j, k-1)*j^3, j=1..n))
end:
a:= n-> b(n$2):
seq(a(n), n=0..15);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 19 2022
STATUS
approved